82419-34-9
ethyl 9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate
→
82419-36-1
氧氟沙星
124409-86-5
diethyl [3,4-difluoro-2-(2-hydroxypropyloxy)anilinyl]methylenemalonate
→
82419-36-1
氧氟沙星
86760-99-8
diethyl [(-)-7,8-difluoro-3-methyl-2,3-dihydro-4H-[1,4]benzoxazin-4-yl]methylenemalonate
→
82419-36-1
氧氟沙星